diff options
Diffstat (limited to 'src/plugins/stn/stn.c')
| -rw-r--r-- | src/plugins/stn/stn.c | 107 |
1 files changed, 28 insertions, 79 deletions
diff --git a/src/plugins/stn/stn.c b/src/plugins/stn/stn.c index 1447ec4759d..2838c4bea0b 100644 --- a/src/plugins/stn/stn.c +++ b/src/plugins/stn/stn.c @@ -79,61 +79,6 @@ format_stn_ip46_punt_trace (u8 * s, va_list * args, u8 is_ipv4) return s; } -static void -stn_punt_fn (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * frame) -{ - u32 n_left_from, *from, next_index, *to_next, n_left_to_next; - stn_main_t *stn = &stn_main; - - from = vlib_frame_vector_args (frame); - n_left_from = frame->n_vectors; - next_index = node->cached_next_index; - - while (n_left_from > 0) - { - vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - - /* Single loop */ - while (n_left_from > 0 && n_left_to_next > 0) - { - u32 pi0; - vlib_buffer_t *p0; - u32 next0; - - pi0 = to_next[0] = from[0]; - from += 1; - n_left_from -= 1; - to_next += 1; - n_left_to_next -= 1; - - p0 = vlib_get_buffer (vm, pi0); - -/* - * We are not guaranteed any particular layer here. - * So we need to reparse from the beginning of the packet. - * which may not start from zero with some DPDK drivers. - - ip4_header_t *ip = vlib_buffer_get_current(p0); - if ((ip->ip_version_and_header_length & 0xf0) == 0x40) -* -*/ - int ethernet_header_offset = 0; /* to be filled by DPDK */ - ethernet_header_t *eth = (ethernet_header_t *)(p0->data + ethernet_header_offset); - /* ensure the block current data starts at L3 boundary now for the subsequent nodes */ - vlib_buffer_advance(p0, ethernet_header_offset + sizeof(ethernet_header_t) - p0->current_data); - if (clib_net_to_host_u16(eth->type) == ETHERNET_TYPE_IP4) - next0 = stn->punt_to_stn_ip4_next_index; - else - next0 = stn->punt_to_stn_ip6_next_index; - - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, - n_left_to_next, pi0, next0); - } - vlib_put_next_frame (vm, node, next_index, n_left_to_next); - } -} - typedef enum { STN_IP_PUNT_DROP, @@ -142,8 +87,9 @@ typedef enum static_always_inline uword stn_ip46_punt_fn (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * frame, - u8 is_ipv4) + vlib_node_runtime_t * node, + vlib_frame_t * frame, + u8 is_ipv4) { u32 n_left_from, *from, next_index, *to_next, n_left_to_next; stn_main_t *stn = &stn_main; @@ -199,6 +145,10 @@ stn_ip46_punt_fn (vlib_main_t * vm, else clib_memcpy(eth, &stn_ip6_ethernet_header, sizeof(*eth)); } + else + { + vnet_feature_next (0, &next0, p0); + } if (PREDICT_FALSE (p0->flags & VLIB_BUFFER_IS_TRACED)) { @@ -261,6 +211,11 @@ VLIB_REGISTER_NODE (stn_ip6_punt, static) = [STN_IP_PUNT_DROP] = "error-drop" }, }; +VNET_FEATURE_INIT (stn_ip6_punt_feat_node, static) = { + .arc_name = "ip6-punt", + .node_name = "stn-ip6-punt", + .runs_before = VNET_FEATURES("ip6-punt-redirect"), +}; /** *INDENT-ON* */ u8 * @@ -291,6 +246,11 @@ VLIB_REGISTER_NODE (stn_ip4_punt, static) = [STN_IP_PUNT_DROP] = "error-drop", }, }; +VNET_FEATURE_INIT (stn_ip4_punt_feat_node, static) = { + .arc_name = "ip4-punt", + .node_name = "stn-ip4-punt", + .runs_before = VNET_FEATURES("ip4-punt-redirect"), +}; /** *INDENT-ON* */ clib_error_t * @@ -309,12 +269,6 @@ stn_init (vlib_main_t * vm) clib_memcpy(stn_ip6_ethernet_header.src_address, stn_hw_addr_local, 6); stn_ip6_ethernet_header.type = clib_host_to_net_u16(ETHERNET_TYPE_IP6); - u32 punt_node_index = vlib_get_node_by_name(vm, (u8 *)"error-punt")->index; - stn->punt_to_stn_ip4_next_index = - vlib_node_add_next(vm, punt_node_index, stn_ip4_punt.index); - stn->punt_to_stn_ip6_next_index = - vlib_node_add_next(vm, punt_node_index, stn_ip6_punt.index); - return stn_api_init (vm, stn); return NULL; @@ -354,9 +308,11 @@ int stn_rule_add_del (stn_rule_add_del_args_t *args) stn->n_rules++; if (stn->n_rules == 1) { - foreach_vlib_main({ - this_vlib_main->os_punt_frame = stn_punt_fn; - }); + vnet_feature_enable_disable("ip6-punt", "stn-ip6-punt", + 0, 1, 0, 0); + vnet_feature_enable_disable("ip4-punt", "stn-ip4-punt", + 0, 1, 0, 0); + udp_punt_unknown(vm, 0, 1); udp_punt_unknown(vm, 1, 1); tcp_punt_unknown(vm, 0, 1); @@ -378,16 +334,8 @@ int stn_rule_add_del (stn_rule_add_del_args_t *args) /* enabling forwarding on the output node (might not be done since * it is unnumbered) */ - vnet_feature_enable_disable("ip4-unicast", "ip4-lookup", args->sw_if_index, - 1, 0, 0); - vnet_feature_enable_disable("ip6-unicast", "ip6-lookup", args->sw_if_index, - 1, 0, 0); - vnet_feature_enable_disable("ip4-unicast", "ip4-not-enabled", - args->sw_if_index, - 0, 0, 0); - vnet_feature_enable_disable("ip6-unicast", "ip6-not-enabled", - args->sw_if_index, - 0, 0, 0); + ip4_sw_interface_enable_disable(args->sw_if_index, 1); + ip6_sw_interface_enable_disable(args->sw_if_index, 1); } else if (r) { @@ -397,9 +345,10 @@ int stn_rule_add_del (stn_rule_add_del_args_t *args) stn->n_rules--; if (stn->n_rules == 0) { - foreach_vlib_main({ - this_vlib_main->os_punt_frame = NULL; - }); + vnet_feature_enable_disable("ip6-punt", "stn-ip6-punt", + 0, 0, 0, 0); + vnet_feature_enable_disable("ip4-punt", "stn-ip4-punt", + 0, 0, 0, 0); } } else |